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ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|
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COMFORT SYSTEMS USA INC

Electrical Work · SIC 1731CIK 1035983Held by 18 tracked managersEDGAR filings ↗10-K/10-Q ↗

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18 managers · Q2 2026 13F
Engle Capital Partners
Engle Capital PartnersPosition history →
1.3%
(71.2%)
Fuller & Thaler Asset Management
Fuller & Thaler Asset ManagementPosition history →
0.71%
(46.0%)
Zevenbergen Capital Investments
Zevenbergen Capital InvestmentsPosition history →
0.65%
NEW
WCM Investment Management
WCM Investment ManagementPosition history →
0.51%
+24.2%
Bridgewater Associates
Bridgewater AssociatesPosition history →
0.39%
(43.9%)
Motley Fool Asset Management
Motley Fool Asset ManagementPosition history →
0.22%
(14.3%)
Renaissance Technologies
Renaissance TechnologiesPosition history →
0.21%
+34.4%
Markel Group
Tom GaynerPosition history →
0.20%
—
Capital World Investors
Capital World InvestorsPosition history →
0.17%
(16.8%)
Adage Capital Management
Adage Capital ManagementPosition history →
0.09%
+9.5%
Coatue Management
Philippe LaffontPosition history →
0.07%
NEW
Tortoise Capital Advisors
Tortoise Capital AdvisorsPosition history →
0.05%
NEW
Holocene Advisors
Holocene AdvisorsPosition history →
0.03%
(75.4%)
Capital Research Global Investors
Capital Research Global InvestorsPosition history →
0.03%
(37.5%)
Gladstone Capital Management
Gladstone Capital ManagementPosition history →
0.03%
NEW
Alps Advisors
Alps AdvisorsPosition history →
0.02%
+23.4%
Glynn Capital Management
Glynn Capital ManagementPosition history →
0.01%
NEW
Causeway Capital Management
Sarah KettererPosition history →
<0.01%
(12.0%)

Weight = position value ÷ the manager's total 13F long-equity value in the same filing — one definition for every row. “1st obs.” marks a position with no earlier stored 13F to compare against — it is not shown as a purchase.